Home / 238,229.40-357,268.23-78,268.20

Finding the Fourth Proportional to 238,229.40, 357,268.23 and 78,268.20

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Solution

The fourth proportional to 238,229.40, 357,268.23 and 78,268.20 is: 117,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,229.40 : 357,268.23 = 78,268.20 : x
  2. Step 2: Convert to fraction form
    238,229.40/357,268.23 = 78,268.20/x
  3. Step 3: Cross multiply
    238,229.40x = 357,268.23 × 78,268.20
  4. Step 4: Simplify right side
    238,229.40x = 27,962,741,279.29
  5. Step 5: Solve for x
    x = 27,962,741,279.29/238,229.40
  6. Step 6: Final answer
    x = 117,377.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.